// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** Ms.Pac-Man/Galaga - 20 Year Reunion hardware driver by Nicola Salmoria ***************************************************************************/ #include "machine/eepromser.h" #include "sound/namco.h" #include "machine/intelfsh.h" class _20pacgal_state : public driver_device { public: _20pacgal_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_video_ram(*this, "video_ram"), m_char_gfx_ram(*this, "char_gfx_ram"), m_stars_seed(*this, "stars_seed"), m_stars_ctrl(*this, "stars_ctrl"), m_flip(*this, "flip"), m_maincpu(*this, "maincpu"), m_eeprom(*this, "eeprom") { } /* memory pointers */ required_shared_ptr m_video_ram; required_shared_ptr m_char_gfx_ram; required_shared_ptr m_stars_seed; required_shared_ptr m_stars_ctrl; required_shared_ptr m_flip; /* machine state */ UINT8 m_game_selected; /* 0 = Ms. Pac-Man, 1 = Galaga */ /* devices */ required_device m_maincpu; required_device m_eeprom; /* memory */ UINT8 m_sprite_gfx_ram[0x2000]; UINT8 m_sprite_ram[0x180]; UINT8 m_sprite_color_lookup[0x100]; UINT8 m_ram_48000[0x2000]; /* 25pacman and 20pacgal store the sprite palette at a different address, this is a hardware difference and confirmed NOT to be a register */ UINT8 m_sprite_pal_base; UINT8 m_irq_mask; DECLARE_WRITE8_MEMBER(irqack_w); DECLARE_WRITE8_MEMBER(timer_pulse_w); DECLARE_WRITE8_MEMBER(_20pacgal_coin_counter_w); DECLARE_WRITE8_MEMBER(ram_bank_select_w); DECLARE_WRITE8_MEMBER(ram_48000_w); DECLARE_WRITE8_MEMBER(sprite_gfx_w); DECLARE_WRITE8_MEMBER(sprite_ram_w); DECLARE_WRITE8_MEMBER(sprite_lookup_w); DECLARE_DRIVER_INIT(25pacman); DECLARE_DRIVER_INIT(20pacgal); virtual void machine_start() override; virtual void machine_reset() override; UINT32 screen_update_20pacgal(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(vblank_irq); void get_pens(pen_t *pens); void do_pen_lookup(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_sprites(bitmap_rgb32 &bitmap); void draw_chars(bitmap_rgb32 &bitmap); void draw_stars(bitmap_rgb32 &bitmap, const rectangle &cliprect ); void draw_sprite(bitmap_rgb32 &bitmap, int y, int x, UINT8 code, UINT8 color, int flip_y, int flip_x); void common_save_state(); }; class _25pacman_state : public _20pacgal_state { public: _25pacman_state(const machine_config &mconfig, device_type type, const char *tag) : _20pacgal_state(mconfig, type, tag) { } DECLARE_READ8_MEMBER( _25pacman_io_87_r ); virtual void machine_start() override; }; /*----------- defined in video/20pacgal.c -----------*/ MACHINE_CONFIG_EXTERN( 20pacgal_video );